package function;

import java.util.Scanner;

public class Calculator {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.println("请输入要计算的公式：");
        char strs[]; //存放单个字符
//        String str = scanner.nextLine();
        strs = scanner.nextLine().toCharArray();
        

        System.out.println(strs);

    }
}
